Copy POST /v1/messages HTTP/1.1
Host: llm.onerouter.pro
Authorization: text
Content-Type: application/json
Accept: */*
Content-Length: 3398
{
"model": "anthropic/claude-opus-4.6",
"messages": [
{
"role": "user",
"content": "Hello, how are you?"
}
],
"max_tokens": 4096,
"system": "You are a rigorous enterprise-grade information extraction assistant.",
"metadata": {
"user_id": "9d3d8d44-2c14-4c28-9d9a-7c9e6b97a001"
},
"stop_sequences": [
"\n\nHuman:",
"<END_JSON>"
],
"temperature": 0.2,
"top_p": 0.95,
"top_k": 40,
"tools": [
{
"name": "get_weather_forecast",
"description": "Get the weather forecast for the next 3 days for a specified city.",
"input_schema": {
"type": "object",
"additionalProperties": false,
"properties": {
"location": {
"type": "string",
"description": "City or region name, for example Shanghai"
},
"units": {
"type": "string",
"enum": [
"celsius",
"fahrenheit"
],
"description": "Temperature unit"
},
"days": {
"type": "integer",
"minimum": 1,
"maximum": 7,
"description": "Number of days to query"
}
},
"required": [
"location"
]
}
},
{
"name": "lookup_customer_profile",
"description": "Look up customer profile information based on customer_id.",
"input_schema": {
"type": "object",
"additionalProperties": false,
"properties": {
"customer_id": {
"type": "string",
"description": "Unique customer ID"
},
"include_orders": {
"type": "boolean",
"description": "Whether to return recent orders"
},
"include_risk_flags": {
"type": "boolean",
"description": "Whether to return risk control flags"
}
},
"required": [
"customer_id"
]
}
}
],
"tool_choice": {
"type": "auto",
"disable_parallel_tool_use": false
},
"thinking": {
"type": "enabled",
"budget_tokens": 2048
},
"service_tier": "standard_only",
"output_config": {
"effort": "max",
"format": {
"type": "json_schema",
"schema": {
"type": "object",
"additionalProperties": false,
"properties": {
"task_id": {
"type": "string",
"description": "Unique task identifier"
},
"language": {
"type": "string",
"description": "Output language, for example zh-CN"
},
"summary": {
"type": "string",
"description": "Core summary"
},
"entities": {
"type": "array",
"description": "Recognized key entities",
"items": {
"type": "object",
"additionalProperties": false,
"properties": {
"name": {
"type": "string"
},
"type": {
"type": "string"
},
"confidence": {
"type": "number",
"minimum": 0,
"maximum": 1
}
},
"required": [
"name",
"type",
"confidence"
]
}
},
"facts": {
"type": "array",
"description": "List of extracted facts",
"items": {
"type": "object",
"additionalProperties": false,
"properties": {
"field": {
"type": "string"
},
"value": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"source_quote": {
"type": "string"
}
},
"required": [
"field",
"value"
]
}
},
"citations": {
"type": "array",
"description": "Source citations",
"items": {
"type": "object",
"additionalProperties": false,
"properties": {
"source_id": {
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": [
"string",
"null"
]
}
},
"required": [
"source_id",
"title",
"url"
]
}
},
"tool_calls_used": {
"type": "array",
"description": "Names of tools actually used",
"items": {
"type": "string"
}
},
"confidence_overall": {
"type": "number",
"minimum": 0,
"maximum": 1
}
},
"required": [
"task_id",
"language",
"summary",
"entities",
"facts",
"citations",
"tool_calls_used",
"confidence_overall"
]
}
}
},
"cache_control": {
"type": "ephemeral",
"ttl": "1h"
},
"stream": false,
"stream_options": {
"include_usage": true
},
"usage": {
"include": true
},
"context_management": null,
"provider": {
"order": [
"anthropic",
"amazon-bedrock"
],
"allow_fallbacks": true,
"require_parameters": false,
"data_collection": "allow",
"zdr": false,
"enforce_distillable_text": false,
"only": [],
"ignore": [],
"quantizations": [],
"sort": "throughput",
"preferred_min_throughput": {
"p50": 4,
"p75": 3,
"p90": 2,
"p99": 1
},
"preferred_max_latency": {
"p50": 20,
"p75": 30,
"p90": 40,
"p99": 50
}
}
} 
